[INFO] fetching crate functional-closures 0.4.0...
[INFO] testing functional-closures-0.4.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate functional-closures 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate functional-closures 0.4.0
[INFO] finished tweaking crates.io crate functional-closures 0.4.0
[INFO] tweaked toml for crates.io crate functional-closures 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate functional-closures 0.4.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f13620f93f86197911f1f0bda2f13c30e0782e02201423179f72d01584653cad
[INFO] running `Command { std: "docker" "start" "-a" "f13620f93f86197911f1f0bda2f13c30e0782e02201423179f72d01584653cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f13620f93f86197911f1f0bda2f13c30e0782e02201423179f72d01584653cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f13620f93f86197911f1f0bda2f13c30e0782e02201423179f72d01584653cad", kill_on_drop: false }`
[INFO] [stdout] f13620f93f86197911f1f0bda2f13c30e0782e02201423179f72d01584653cad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80a129c645919b744ad26bdb951f059b3b222c0087fb1fac0c68e672631bcee9
[INFO] running `Command { std: "docker" "start" "-a" "80a129c645919b744ad26bdb951f059b3b222c0087fb1fac0c68e672631bcee9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling functional-closures v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `Command { std: "docker" "inspect" "80a129c645919b744ad26bdb951f059b3b222c0087fb1fac0c68e672631bcee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80a129c645919b744ad26bdb951f059b3b222c0087fb1fac0c68e672631bcee9", kill_on_drop: false }`
[INFO] [stdout] 80a129c645919b744ad26bdb951f059b3b222c0087fb1fac0c68e672631bcee9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60206c143ed40281911a709a577262b46644964e096dd37fbd61d9ae823b1a40
[INFO] running `Command { std: "docker" "start" "-a" "60206c143ed40281911a709a577262b46644964e096dd37fbd61d9ae823b1a40", kill_on_drop: false }`
[INFO] [stderr]    Compiling functional-closures v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:284:9
[INFO] [stdout]     |
[INFO] [stdout] 284 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/lib.rs:284:15
[INFO] [stdout]     |
[INFO] [stdout] 284 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/lib.rs:293:15
[INFO] [stdout]     |
[INFO] [stdout] 293 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]    --> src/lib.rs:302:19
[INFO] [stdout]     |
[INFO] [stdout] 302 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:307:9
[INFO] [stdout]     |
[INFO] [stdout] 307 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:316:12
[INFO] [stdout]     |
[INFO] [stdout] 316 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:321:9
[INFO] [stdout]     |
[INFO] [stdout] 321 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]    --> src/lib.rs:321:19
[INFO] [stdout]     |
[INFO] [stdout] 321 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:330:9
[INFO] [stdout]     |
[INFO] [stdout] 330 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]    --> src/lib.rs:335:19
[INFO] [stdout]     |
[INFO] [stdout] 335 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]    --> src/lib.rs:344:19
[INFO] [stdout]     |
[INFO] [stdout] 344 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:357:12
[INFO] [stdout]     |
[INFO] [stdout] 357 |             let (y, f, g, h) = define_shit();
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "60206c143ed40281911a709a577262b46644964e096dd37fbd61d9ae823b1a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60206c143ed40281911a709a577262b46644964e096dd37fbd61d9ae823b1a40", kill_on_drop: false }`
[INFO] [stdout] 60206c143ed40281911a709a577262b46644964e096dd37fbd61d9ae823b1a40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 046292ce78eb0303d26afb506328e246e7fec832b03468c04cd3c40c6be950af
[INFO] running `Command { std: "docker" "start" "-a" "046292ce78eb0303d26afb506328e246e7fec832b03468c04cd3c40c6be950af", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/lib.rs:284:9
[INFO] [stderr]     |
[INFO] [stderr] 284 |             let (y, f ,g , h) = define_shit();
[INFO] [stderr]     |                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `g`
[INFO] [stderr]    --> src/lib.rs:284:15
[INFO] [stderr]     |
[INFO] [stderr] 284 |             let (y, f ,g , h) = define_shit();
[INFO] [stderr]     |                        ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `g`
[INFO] [stderr]    --> src/lib.rs:293:15
[INFO] [stderr]     |
[INFO] [stderr] 293 |             let (y, f ,g , h) = define_shit();
[INFO] [stderr]     |                        ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/lib.rs:302:9
[INFO] [stderr]     |
[INFO] [stderr] 302 |             let (y, f ,g , h) = define_shit();
[INFO] [stderr]     |                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]    --> src/lib.rs:302:19
[INFO] [stderr]     |
[INFO] [stderr] 302 |             let (y, f ,g , h) = define_shit();
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/lib.rs:307:9
[INFO] [stderr]     |
[INFO] [stderr] 307 |             let (y, f ,g , h) = define_shit();
[INFO] [stderr]     |                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/lib.rs:316:9
[INFO] [stderr]     |
[INFO] [stderr] 316 |             let (y, f ,g , h) = define_shit();
[INFO] [stderr]     |                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/lib.rs:316:12
[INFO] [stderr]     |
[INFO] [stderr] 316 |             let (y, f ,g , h) = define_shit();
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/lib.rs:321:9
[INFO] [stderr]     |
[INFO] [stderr] 321 |             let (y, f ,g , h) = define_shit();
[INFO] [stderr]     |                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]    --> src/lib.rs:321:19
[INFO] [stderr]     |
[INFO] [stderr] 321 |             let (y, f ,g , h) = define_shit();
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/lib.rs:330:9
[INFO] [stderr]     |
[INFO] [stderr] 330 |             let (y, f ,g , h) = define_shit();
[INFO] [stderr]     |                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/lib.rs:335:9
[INFO] [stderr]     |
[INFO] [stderr] 335 |             let (y, f ,g , h) = define_shit();
[INFO] [stderr]     |                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]    --> src/lib.rs:335:19
[INFO] [stderr]     |
[INFO] [stderr] 335 |             let (y, f ,g , h) = define_shit();
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]    --> src/lib.rs:344:19
[INFO] [stderr]     |
[INFO] [stderr] 344 |             let (y, f ,g , h) = define_shit();
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/lib.rs:357:12
[INFO] [stderr]     |
[INFO] [stderr] 357 |             let (y, f, g, h) = define_shit();
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: `functional-closures` (lib test) generated 15 warnings (run `cargo fix --lib -p functional-closures --tests` to apply 15 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/functional_closures-6bd07d8615d227b1)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_div ... ok
[INFO] [stdout] test tests::test_call ... ok
[INFO] [stdout] test tests::test_add ... ok
[INFO] [stdout] test tests::test_equality ... ok
[INFO] [stdout] test tests::test_mul ... ok
[INFO] [stdout] test tests::polynomial ... ok
[INFO] [stdout] test tests::test_sub ... ok
[INFO] [stdout] test tests::test_find_zeroes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests functional_closures
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "046292ce78eb0303d26afb506328e246e7fec832b03468c04cd3c40c6be950af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "046292ce78eb0303d26afb506328e246e7fec832b03468c04cd3c40c6be950af", kill_on_drop: false }`
[INFO] [stdout] 046292ce78eb0303d26afb506328e246e7fec832b03468c04cd3c40c6be950af
